Picatinny rail



FIG. 1 is a front, top, right perspective view of a picatinny rail, showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is rear, bottom, left perspective thereof.

The broken lines of uneven length shown in the drawings illustrate the boundary of the claimed design and form no part thereof. The broken lines of even length shown in the drawings illustrate portions of the picatinny rail that form no part of the claimed design. 

CLAIM The ornamental design for a picatinny rail, as shown and described. 